Check Point Advisories

Microsoft Windows Malformed SMB Search Request Buffer Overflow (MS08-063; CVE-2008-4038)

Check Point Reference: CPAI-2008-153
Date Published: 2 Oct 2008
Severity: High
Last Updated: Tuesday 10 November, 2015
Industry Reference:CVE-2008-4038
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65

Who is Vulnerable?
Vulnerability Description The Server Message Block (SMB) Protocol is a network file sharing protocol that is implemented in Microsoft Windows. A remote code execution vulnerability has been reported in the way that Microsoft Server Message Block (SMB) Protocol handles specially crafted file names. The vulnerability is due to insufficient validation of specially crafted file names by the Microsoft Server Message Block (SMB) Protocol. A remote attacker could exploit this flaw via a specially crafted SMB Request. Successful exploitation may allow execution of arbitrary code on the target system.

Protection Overview

This protection will detect and block malformed SMB search requests.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Microsoft Windows Malformed SMB Search Request Buffer Overflow (MS08-063) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Windows SMB Protection Violation.
Attack Information:  Microsoft Windows malformed SMB Search request buffer overflow (MS08-063)

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